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Generics in Java

Generics are a facility of generic programming that were added to the Java programming language in 2004 within version J2SE 5.0. They were designed to extend Java's type system to allow "a type or method to operate on objects of various types while providing compile-time type safety". The aspect compile-time type safety required that parametrically…

Motivation, Hierarchy and classification & Type wildcards

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Motivation

IntegerVoid pointerLogic errorBracketsCompiler
6 related topics

Hierarchy and classification

Type variableC++C#RustInterface
5 related topics

Type wildcards

Upper boundNullJoshua BlochContravariance
4 related topics

Problems with type erasure

Type erasureC++ templatesStatic variablesBackward compatibility
4 related topics

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Overview

Hierarchy and classification

Motivation

Generic class definitions

  • Map Map (computer science)

Generic method definitions

Diamond operator

Type wildcards

Problems with type erasure

Differences from Arrays

Project on generics

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Generics in Java

Nodes53
Edges52
Triples10
Avg. degree1.96
Density0.037736
Components1

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Generics in Java

Top relations

related to Reification · 5
Generics in Java → Arrays, Java, JVM, More, This
related to Differences from Arrays · 4
Generics in Java → Java, Objectarrays, There, Two

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Important terminology

type java generic generics types class compile-time lang one integer variables parameter list code objects object parameterized example method interface

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
arraysinstance ofThis is a benefit of using generic when compared to non-generic objects0.80text
Generics in Javarelated to Differences from ArraysThere0.60section
Generics in Javarelated to Differences from ArraysObjectarrays0.60section
Generics in Javarelated to Differences from ArraysJava0.60section
Generics in Javarelated to Differences from ArraysTwo0.60section
Generics in Javarelated to ReificationArrays0.60section
Generics in Javarelated to ReificationJava0.60section
Generics in Javarelated to ReificationThis0.60section
Generics in Javarelated to ReificationJVM0.60section
Generics in Javarelated to ReificationMore0.60section

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    Min side: 3
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